Da-Lite > Product Information > Product Catalog > Electric Screens > Tensioned Dual Masking Electrol   Tensioned Dual Masking Electrol Product PDF Installation Manual (PDF)   Excellent for video projection applications. Same great features as our Dual Masking Electrol screen except screen is tensioned for an extra flat surface for optimum image quality when using video or data projection. Tab guide cable system maintains even lateral tension to hold surface flat while custom slat bar with added weight maintains vertical tension. Unique "step-back" masking design eliminates shadows. All fabrics listed below will be seamless. Viewing Area   HDTV (1.78) NTSC (1.33) H x W   in./ft. cm. Da-Mat High Contrast Da-Mat Pearle- scent Cinema Vision Audio Vision Da-Tex (Rear) Dual Vision 45" x 80" 45" x 60" 114 x 203 114 x 152 50" x 89" 50" x 67" 127 x 226 127 x 170 60" x 107" 60" x 80" 152 x 272 152 x 203 69" x 123" 69" x 92" 175 x 312 175 x 234 87" x 155" 87" x 116" 221 x 394 221 x 295   Viewing Area   LETTERBOX (1.85) NTSC (1.33) H x W   in./ft. cm. Da-Mat High Contrast Da-Mat Pearle- scent Cinema Vision Audio Vision Da-Tex (Rear) Dual Vision 50" x 92 ½" 50" x 67" 127 x 235 127 x 170 60" x 111" 60" x 80" 152 x 282 152 x 203 69" x 128" 69" x 92" 175 x 325 175 x 234 87" x 161" 87" x 116" 221 x 409 221 x 295     For pricing information, please contact Media Fabricators, Inc. via e-mail at [email protected] or via telephone at 323 937 3344.